package com.lywz.biz.dao.test;

import java.util.Collection;

import com.lywz.biz.common.entity.example.User;

/**
 * 
 * @author Administrator
 *
 */
public interface UserDao {

	/**
	 * 
	 * @param username
	 * @return
	 * @throws Exception
	 */
	public Collection<User> retrieveUserBy(String username) throws Exception;
}
